One of these iPhones is a test unit from Apple.

A source who wants to remain anonymous and is adamant that he is not Phil Schiller sent us a little tidbits about the next iPhone. Well, sort off. The source has two iPhones which look like iPhone 4, but one of them is a test unit. Test unit? A DVT unit? Probably not. The source wouldn’t elaborate more.

We did figure out that iPhone in question is from around WWDC 2011 time.

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